Spectroscopic evidence for a continuous change in molecular and crystal structure: deformation of biphenyl in the low temperature solid

Peter S. Friedman; Raoul Kopelman; Paras N. Prasad

doi:10.1016/0009-2614(74)80201-0

Spectroscopic evidence for a continuous change in molecular and crystal structure: deformation of biphenyl in the low temperature solid

Peter S. Friedman
, Raoul Kopelman
, Paras N. Prasad

Chemistry

University at Buffalo

University of Michigan, Ann Arbor

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

A Raman temperature study of biphenyl-h₁₀ and biphenyl-d₁₀ crystals reveals an unusual spectral change over a wide temperature region. Many internal and external infrared-active modes appear gradually as the temperature is lowered from about 75 to 15°K. We interpret this as a mild and gradual change in both crystal and molecular structure: a loss of center of inversion, probably involving the partial return of the molecule to its non-planar shape (D₂) in the vapor phase.

Original language	English
Pages (from-to)	15-17
Number of pages	3
Journal	Chemical Physics Letters
Volume	24
Issue number	1
DOIs	https://doi.org/10.1016/0009-2614(74)80201-0
State	Published - Jan 1 1974

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title = "Spectroscopic evidence for a continuous change in molecular and crystal structure: deformation of biphenyl in the low temperature solid",

abstract = "A Raman temperature study of biphenyl-h10 and biphenyl-d10 crystals reveals an unusual spectral change over a wide temperature region. Many internal and external infrared-active modes appear gradually as the temperature is lowered from about 75 to 15°K. We interpret this as a mild and gradual change in both crystal and molecular structure: a loss of center of inversion, probably involving the partial return of the molecule to its non-planar shape (D2) in the vapor phase.",

author = "Friedman, \{Peter S.\} and Raoul Kopelman and Prasad, \{Paras N.\}",

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AU - Kopelman, Raoul

AU - Prasad, Paras N.

PY - 1974/1/1

Y1 - 1974/1/1

N2 - A Raman temperature study of biphenyl-h10 and biphenyl-d10 crystals reveals an unusual spectral change over a wide temperature region. Many internal and external infrared-active modes appear gradually as the temperature is lowered from about 75 to 15°K. We interpret this as a mild and gradual change in both crystal and molecular structure: a loss of center of inversion, probably involving the partial return of the molecule to its non-planar shape (D2) in the vapor phase.

AB - A Raman temperature study of biphenyl-h10 and biphenyl-d10 crystals reveals an unusual spectral change over a wide temperature region. Many internal and external infrared-active modes appear gradually as the temperature is lowered from about 75 to 15°K. We interpret this as a mild and gradual change in both crystal and molecular structure: a loss of center of inversion, probably involving the partial return of the molecule to its non-planar shape (D2) in the vapor phase.

UR - https://www.scopus.com/pages/publications/0141705613

U2 - 10.1016/0009-2614(74)80201-0

DO - 10.1016/0009-2614(74)80201-0

M3 - Article

SN - 0009-2614

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SP - 15

EP - 17

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1

ER -

Spectroscopic evidence for a continuous change in molecular and crystal structure: deformation of biphenyl in the low temperature solid

Abstract

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